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Sequatchie County, Tennessee severe weather history spans 231 recorded events between 1964 and 2026. The dominant hazard is thunderstorm wind, accounting for 64.9% of all recorded events. It ranks #2,246 nationally and #73 in Tennessee.
231
Recorded events
1
Direct deaths
9
Direct injuries
$7.8M
Property damage
The record
What the Sequatchie County, Tennessee severe weather history record shows
Across the archive, Sequatchie County, Tennessee severe weather history averages 3.7 recorded events a year. The busiest stretch on record is the 2000s, with 87 events logged in that decade alone. Roughly 11 events fall before 1990 and 220 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Sequatchie County, Tennessee record is flood, responsible for 1 direct deaths. The costliest is flash flood, with $5.6M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Sequatchie County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 150 | 0 | $845K | 70 | 1976–2026 |
| Hail | 43 | 0 | $0 | 1.75 | 1977–2025 |
| Flash Flood | 16 | 0 | $5.6M | 0 | 1998–2025 |
| Tornado | 10 | 0 | $1.3M | F2 | 1964–2016 |
| Flood | 7 | 1 | $110K | 0 | 2009–2022 |
| Funnel Cloud | 3 | 0 | $0 | 0 | 2003–2011 |
| Heavy Rain | 2 | 0 | $1K | 0 | 2013–2022 |
Decade by decade
Sequatchie County, Tennessee severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
10 mapped tornado paths intersect this county: 8 touched down inside it and 2 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 2011-04-27 | EF4 | 4 | 12 | 40.2 mi | Touched down here |
| 2016-11-29 | EF2 | 0 | 2 | 8.2 mi | Crossed in |
| 2011-04-27 | EF2 | 0 | 0 | 4.5 mi | Touched down here |
| 2009-04-10 | EF2 | 0 | 0 | 5.0 mi | Touched down here |
| 1997-03-28 | EF2 | 0 | 0 | 6.0 mi | Crossed in |
| 1994-06-26 | EF2 | 0 | 0 | 2.0 mi | Touched down here |
| 1964-08-12 | EF2 | 0 | 6 | 0.8 mi | Touched down here |
| 2011-04-27 | EF1 | 0 | 0 | 4.9 mi | Touched down here |
| 2009-04-10 | EF1 | 0 | 0 | 0.2 mi | Touched down here |
| 2009-03-28 | EF0 | 0 | 0 | 1.0 mi | Touched down here |
Significant events
Deadliest events on record in Sequatchie County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Apr 28, 2011 | Flood | DUNLAP | 1 | 0 | $10K |
| Aug 12, 1964 | Tornado | 0 | 6 | $25K | |
| Nov 30, 2016 | Tornado | CARTWRIGHT | 0 | 2 | $0 |
| Jul 22, 2006 | Thunderstorm Wind | DUNLAP | 0 | 1 | $1K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
New Harmony Tornado. A NWS storm survey reported an EF2 tornado initially developed near Dunlap. It tracked northeast across Sequatchie, Bledsoe and into Rhea County. It had a path length of 7.9 miles in Sequatchie county and a 1/2 mile path width. Numerous trees and powerlines were downed and a few homes suffered some damage. The tornado intensified to an EF4 in Bledsoe County. While in Sequatchie County…the tornado initially started on a more northerly track then turned to almost straight northeast at about 35.377N/85.380W.
E Dunlap Tornado. A NWS storm survey reported an EF2 tornado touched down near Dunlap. It formed near Hill Drive and Highpoint then moved to near East Valley Road where it dissipated. It had a path width of 250 yards and a path length of 4.5 miles. The 115 mph wind blew a roof of a building off and damaged a few other homes. Many trees were snapped and uprooted with powerlines downed.
An F2 tornado with maximum wind speeds of 120 mph occurred around 2 miles south of Dunlap. The tornado initially touched down along Frank Tate Road with a maximum wind speed of 90 mph (EF-1) and a width of 100 yards. The tornado continued in a northeast path and increased in size to an EF-2 with a maximum wind speed of 120 mph and a width of 175 yards. Several large hardwood trees were snapped off near the trunk base with extensive damage occurring in a concentrated path. The tornado continued its northeast movement and finally weakened to a EF-1 with a maximum wind speed of 100 mph as it dissipated at the foothill of Signal Mountain. A school and several homes suffered minor to moderate wind damage along the nearly 5 mile of the tornado.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
16,809
Population (ACS)
$233K
Median home value
21
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Feb 6, 2026 | Winter Storm | SEVERE WINTER STORM | DR |
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Apr 2, 2025 | Severe Storm | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING | EM |
| Apr 2, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Apr 17, 2019 | Flood | SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR |
Within the county
Most affected places
- Dunlap 165
Quick answers
Frequently asked
How many severe weather events have been recorded in Sequatchie County, Tennessee?
231 events are on record between 1964 and 2026, causing 1 direct deaths and $7.8M in property damage.
What is the most common severe weather hazard in Sequatchie County?
Thunderstorm Wind, with 150 recorded events — 64.9% of everything in the archive for this county.
How many tornadoes have crossed Sequatchie County?
10 mapped tornado paths intersect the county boundary; 8 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Sequatchie County?
21 federal disaster declarations from FEMA include Sequatchie County, each tied to a specific incident period.
How risky is Sequatchie County compared with the rest of the country?
FEMA's National Risk Index rates Sequatchie County as very low risk, placing it in the 40 percentile of its state for expected annual loss.
Where does the Sequatchie County, Tennessee severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Scott County 271
- Sevier County 411
- Rutherford County 762
- Shelby County 1,180
- Robertson County 501
- Smith County 266
Cite this page
“Sequatchie County, Tennessee.” Severe Weather History. severeweatherhistory.com/county/tennessee/sequatchie-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.